City and community

Articles in SafetyLit
Y-Axis = Volume :: X-Axis = Issue
?=unknown status :: X=no issue published :: nn=articles from issue :: A=relevant article(s) IDed to add
S=searched, nothing relevant :: O=issue published but not yet searched :: C=combination issue

	1	2	3	4

6 (2007)	1	1	1	1
7 (2008)	?	?	2	3
8 (2009)	?	1	?	?
9 (2010)	1	?	?	?
10 (2011)	?	?	1	?
11 (2012)	?	?	?	1